SEAT WARMER SYSTEM [(US)]
SEAT WARMER SYSTEM [(US)]
SM2334202
id0913001012x1
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Note
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• When the seat warmer switch is turned on with the ignition switched ON (engine on), the seat warmer system operates.
Purpose
• The seat warmer system warms the front seat cushion and front seat back using the seat warmer unit.
Function
• The seat warmer unit warms the seat cushion and seat back by supplying power to the built-in filaments.
• The seat warmer unit can adjust the temperature between 3 levels.
• The temperature level of the seat warmer unit changes each time the seat warmer switch is pressed. (manual mode)
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Note
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• If the seat warmer is set to auto mode, an appropriate temperature according to the environment is automatically set even is the switch operation is not performed.
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• The seat warmer control unit supplies power to the seat warmer unit and increases the temperature around the seat back and seat cushion up to the average temperature which is applied to the temperature level.
• The seat warmer control unit controls the seat temperature so that it maintains a constant temperature while monitoring the thermometer temperature on the seat cushion side.
• The seat warmer control unit maintains a constant average temperature around the seat warmer unit by continuing to supply power to the seat warmer unit.
Structural view
• The front seat warmer switch is built into the climate control unit.
• The front seat warmer unit is adhered to the front seat cushion and front seat back.
• The front seat warmer control unit is located on the bottom of the driver-side front seat. (with power seat system)
• The front seat warmer control unit is located on the bottom of the passenger-side front seat. (without power seat system)
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System wiring diagram
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Operation
Auto mode
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• The auto mode operation can be set on the center display. For details, refer to [FULL-AUTO AIR CONDITIONING SYSTEM]. ( See FULL-AUTO AIR CONDITIONER SYSTEM [FULL-AUTO AIR CONDITIONER (US)].)
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Note
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• If the front passenger’s seat belt is unfastened, the seat warmer on the front passenger’s side is turned off.• If the seat warmer switch is pressed while in auto mode, only the operated seat changes to manual mode. If auto mode is used again, press the auto switch.
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Manual mode
1.When the seat warmer switch (driver’s side) is operated (1), the climate control unit sends (2) a seat water switch operation signal to the dash-electrical supply unit.
2.The dash-electrical supply unit receives the seat warmer switch operation signal and sends (3) a temperature level signal according to the seat warmer switch operation to the seat warmer control unit.
3.When the seat warmer control unit receives a temperature level signal, it supplies (4) power to the driver’s seat warmer unit and the seat warmer unit warms.
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• If the seat warmer control unit detects that the temperature around the seat warmer unit exceeds the set value by the current output to the thermistor, the power supply is cut.
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